WD 1257+018
All names: Gaia EDR3 3691900698766674432, SDSS J130014.34+013539.2, Gaia DR2 3691900698766674432, [VV2003b] J130014.4+013539, USNO-B1.0 0915-00215750, SDSS J130014.34+013539.4, WD 1257+018, Gaia DR3 3691900698766674432, GALEX J130014.3+013539, 2QZ J130014.3+013539
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 00 14.30 (0.5) | 13 00 14.35 | 13 00 14.30 (0.6) | 13 00 14.35 (0.5) | 13 00 14.34 | 13 00 14.26 | 13 00 14.34 | ||||||
| Declination | 01 35 39.48 (0.3) | 01 35 39.29 | 01 35 39.47 (0.4) | 01 35 39.29 (0.3) | 01 35 39.27 | 01 35 32.64 | 01 35 39.36 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DA: | ||||||
| Effective temperature | [K] | 10519.0 | 10567.0 | 11341.0 (365) | 11190.0 (380) | ||||||||
| log(g) | [cgs] | 8.40 | 8.35 | 8.25 (0.6) | 8.44 (0.9) | ||||||||
| Mass | [M☉] | 0.856 | 0.802 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.9576 | 0.9026 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 2.96 (0.6) | 3.44 (0.7) | 2.96 (0.6) | |||||||||
| Distance | [pc] | 338.35 (66) | 291.07 (55) | 338.35 (66) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.2970674 (0.8) | -43.1693694 (1) | -43.297 (0.8) | -31.4 | ||||||||
| Proper motion (declination) | [mas/yr] | 11.79609799 (0.7) | 11.79024491 (0.8) | 11.796 (0.7) | 4.6 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 20.30 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 20.50 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.00 (0.04) | 20.00 (0.04) | 19.97 (0.04) | 19.97 | 19.99 (0.05) | ||||||||
| g magnitude | 19.91 (0.02) | 19.91 (0.02) | 19.94 (0.04) | 19.93 | 19.94 (0.04) | ||||||||
| r magnitude | 20.08 (0.02) | 20.08 (0.03) | 20.09 (0.03) | 20.09 | 20.09 (0.03) | ||||||||
| i magnitude | 20.20 (0.04) | 20.20 (0.04) | 20.19 (0.04) | 20.19 | 20.20 (0.04) | ||||||||
| z magnitude | 20.27 (0.2) | 20.27 (0.2) | 20.30 (0.2) | 20.31 | 20.31 (0.2) | ||||||||
| G magnitude | 19.95 (0.05) | 20.01 | 19.95 (0.006) | ||||||||||
| BP magnitude | 19.99 (0.05) | 19.82 | |||||||||||
| RP magnitude | 19.80 (0.1) | 19.63 | |||||||||||
| Pan g magnitude | 19.93 (0.02) | ||||||||||||
| Pan r magnitude | 20.07 (0.01) | ||||||||||||
| Pan i magnitude | 20.23 (0.02) | ||||||||||||
| Pan z magnitude | 20.47 (0.07) | ||||||||||||
| Pan y magnitude | 20.45 (0.03) | ||||||||||||
| E(B-V) | 0.021 | ||||||||||||
* Constant surface field
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